H-Acid (8-Amino-1-naphthol-3,6-disulfonic acid)

H-Acid, also known as 8-Amino-1-naphthol-3,6-disulfonic acid, is a key intermediate in the synthesis of reactive dyes. It is widely used in the textiles and leather industry to produce vibrant and long-lasting colors. This compound is appreciated for its ability to form strong covalent bonds with fibers, ensuring excellent wash and light fastness properties.